/* 表格 */
#div3{
    
    position:absolute;
    width: 340px;
    height: 300px;
    background-color:rgba(180, 180, 180, 0.5);
    position: fixed;

    left:50%;
    top:50%;
    margin-left: -170px;   
    margin-top: -90px;
}
/* 登录 */
#div2{
    position: fixed;
    left:50%;
    top:50%;
    margin-left: 10px;
    margin-top: 125px;
}
/* 注册 */
#div4{
    position: fixed;
    left:50%;
    top:50%;
    margin-left: -150px;
    margin-top: 125px;
}


/* 暨南书城 */
#div1{
    position: fixed;
    left:50%;
    top:50%;
    margin-left: -170px;
    margin-top: -200px;

    padding-top: 23px;
    padding-left:13px;
    text-align: center;
    font-size: 5em;
    height: 80px;
    width: 340px;
    background-image: linear-gradient(90deg,rgb(95, 150, 95) 3%,rgba(180, 180, 180, 0.5) 3%,rgba(180, 180, 180, 0.5) 75%);
}


body{
    background-color:rgb(198, 226, 198);
}